Table 4.
Predictors of Secondhand Smoke Exposure Classes
| High exposure (Reference: low exposure) | Moderate exposure (Reference: low exposure) | High exposure (Reference: moderate exposure) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Odds ratio | (95% CI) | p | Odds ratio | (95% CI) | p | Odds ratio | (95% CI) | p | |
| High school degree | 0.14 | (0.03% to 0.60%) | .01 | 0.27 | (0.06% to 1.21%) | .09 | 0.52 | (0.29% to 0.94%) | .02 |
| College degree | NE | — | 0.15 | (0.08% to 0.30) | .00 | NE | — | ||
| Income/needs ratioa | 0.58 | (0.40% to 0.82%) | .00 | 0.67 | (0.55% to 0.82%) | .00 | 0.86 | (0.61% to 1.23%) | .14 |
| Residential instabilitya | 1.43 | (1.17% to 1.74%) | .00 | 1.28 | (1.06% to 1.54%) | .01 | 1.12 | (0.98% to 1.27%) | .09 |
| Occupant instabilitya | 1.11 | (1.01% to 1.21%) | .05 | 1.07 | (0.98% to 1.16%) | .14 | 1.04 | (0.98% to 1.10%) | .21 |
| % time in center carea | 0.19 | (0.05% to 0.71%) | .01 | 1.32 | (0.62% to 2.78%) | .47 | 0.14 | (0.04% to 0.51%) | .04 |
CI = confidence interval, NE = nonestimable because of small cell size. Adjusted odds ratios are reported, indicating the changes in odds of class membership unique to each predictor accounting for all other predictors in the model.
Bolded values indicate significant odds ratios.
aComposite variables aggregated across multiple assessments.